From patchwork Wed Dec 9 11:47:36 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabien Parent X-Patchwork-Id: 340468 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1C955C4167B for ; Wed, 9 Dec 2020 11:48:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF7F123BC4 for ; Wed, 9 Dec 2020 11:48:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730887AbgLILse (ORCPT ); Wed, 9 Dec 2020 06:48:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730878AbgLILsY (ORCPT ); Wed, 9 Dec 2020 06:48:24 -0500 Received: from mail-ej1-x644.google.com (mail-ej1-x644.google.com [IPv6:2a00:1450:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0930C061794 for ; Wed, 9 Dec 2020 03:47:43 -0800 (PST) Received: by mail-ej1-x644.google.com with SMTP id ce23so1674816ejb.8 for ; Wed, 09 Dec 2020 03:47:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=9woAOYYUTApfHEXuDyQxlO3UMapZTcSjzqhS/D3AjbE=; b=H1MYjEBUHXsEmRB5zK3lrIfUDCESZ/yUle4xUxQpR2/3Uefg9+OmJZPu5Y1tGst44h KASM+xB37usilH2dPzK/Gm9MsuKZ7Q0Q6PjWN9BRw2ywD2+HeGPYB3Zj3WfMntMDT2e4 ticNha5B96fMZ2qOr5ZFZTzsRgkDApr8sHUbOiObz1/EVXaxMbSlAIyynriuzC1HyWdq VCBgmAqaxgVcI8DZa35fhFk2sRPGLBb0RDVDiZ3ickoHiWmCHxaj4lA97aIebFkf9exZ bHkZu8z7JjMJLwXegEfxCS4VaQ5G6WPDxDhwxCacSHSopwfz5HPljMlgyTvTsJIWmufP XcBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=9woAOYYUTApfHEXuDyQxlO3UMapZTcSjzqhS/D3AjbE=; b=P9Nwleg27ozcKrJfpu/0HyEOZotZo7GaU7vWDoF0Gd+tWnIh/bJTbrwaK0lzudq/dZ /VDrrgPk4Le8Idex489mIpAKAvTY0BNxU4b0vSOtu3i0UDhEc0U+P7uH81QFIySkoo3H UfnzBlvKKnY+9RoLozZQWikylMyevKtvqSVbyZXg1hec9Au+kYg8hUFeuT+0AncsO6Aj jGHd/HFmfajHQG5pVWQn3jPMff1ZmqOvQoMaU3HSTUj+YRnvVC/MxSCsjlMrOfk/bowA 2hoyvdL3sMP0zQLdhtYw22p0drH6Fhi0sODUORvmZGH7fP3OZa05jkB/ORNaFBw5tcqd bouA== X-Gm-Message-State: AOAM53099jhK4uChhzTLVuK3Z17vxvmFEUGdVTt0tp7khRLm5OSDJx+n CVo0Wsc0gGqJ/H5LiHBtj4sCxQ== X-Google-Smtp-Source: ABdhPJwpP09moR3fOdYGPHtxzsHg0Xp80bWTYrzjqN1vN7fhPy8dIyqyuRU2qzTh7XSFbgSRvI0QDw== X-Received: by 2002:a17:906:391b:: with SMTP id f27mr1665544eje.195.1607514462330; Wed, 09 Dec 2020 03:47:42 -0800 (PST) Received: from localhost.localdomain ([88.160.162.107]) by smtp.gmail.com with ESMTPSA id k23sm1244877ejs.100.2020.12.09.03.47.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Dec 2020 03:47:41 -0800 (PST) From: Fabien Parent To: Rob Herring , Matthias Brugger Cc: Fabien Parent , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/2] arm64: dts: mediatek: mt8516: add support for APDMA Date: Wed, 9 Dec 2020 12:47:36 +0100 Message-Id: <20201209114736.70625-2-fparent@baylibre.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201209114736.70625-1-fparent@baylibre.com> References: <20201209114736.70625-1-fparent@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support the APDMA IP on MT8516. APDMA is a DMA controller for UARTs. Signed-off-by: Fabien Parent --- V3: remove unicode symbol that slips into patch summary V2: Add missing dma-names properties on uart nodes arch/arm64/boot/dts/mediatek/mt8516.dtsi | 30 ++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8516.dtsi b/arch/arm64/boot/dts/mediatek/mt8516.dtsi index e6e4d9d60094..b80e95574bef 100644 --- a/arch/arm64/boot/dts/mediatek/mt8516.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8516.dtsi @@ -276,6 +276,27 @@ gic: interrupt-controller@10310000 { (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; }; + apdma: dma-controller@11000480 { + compatible = "mediatek,mt8516-uart-dma", + "mediatek,mt6577-uart-dma"; + reg = <0 0x11000480 0 0x80>, + <0 0x11000500 0 0x80>, + <0 0x11000580 0 0x80>, + <0 0x11000600 0 0x80>, + <0 0x11000980 0 0x80>, + <0 0x11000a00 0 0x80>; + interrupts = , + , + , + , + , + ; + dma-requests = <6>; + clocks = <&topckgen CLK_TOP_APDMA>; + clock-names = "apdma"; + #dma-cells = <1>; + }; + uart0: serial@11005000 { compatible = "mediatek,mt8516-uart", "mediatek,mt6577-uart"; @@ -284,6 +305,9 @@ uart0: serial@11005000 { clocks = <&topckgen CLK_TOP_UART0_SEL>, <&topckgen CLK_TOP_UART0>; clock-names = "baud", "bus"; + dmas = <&apdma 0 + &apdma 1>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -295,6 +319,9 @@ uart1: serial@11006000 { clocks = <&topckgen CLK_TOP_UART1_SEL>, <&topckgen CLK_TOP_UART1>; clock-names = "baud", "bus"; + dmas = <&apdma 2 + &apdma 3>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -306,6 +333,9 @@ uart2: serial@11007000 { clocks = <&topckgen CLK_TOP_UART2_SEL>, <&topckgen CLK_TOP_UART2>; clock-names = "baud", "bus"; + dmas = <&apdma 4 + &apdma 5>; + dma-names = "tx", "rx"; status = "disabled"; };